connection

Hi guys just bought a RSVmilleR few weeks ago and I was wondering what this wire with quick disconnect connectors coming out of the computer is.

Bit confused! the pdf instruction manual for the RSV doesn't mention matching either of the connectors to front / back tb's however the Tuono pdf mentions connecting yellow wired to rear tb (but shows a pic of front tb!) they are also all b/w copies! does it matter? one set of connectors has...